/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
  --color-bg-dark: #0F172A;
  --color-surface-dark: #1E293B;
  --color-surface-card: #182234;
  --color-surface-border: #334155;
  --color-surface-border-subtle: rgba(255, 255, 255, 0.08);
  
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-glow: rgba(37, 99, 235, 0.35);
  
  --color-accent-cyan: #06B6D4;
  --color-accent-amber: #F59E0B;
  
  --color-text-main: #F8FAFC;
  --color-text-muted: #94A3B8;
  --color-text-dim: #64748B;
  
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  
  --shadow-subtle: 0 10px 25px -5px rgba(15, 23, 42, 0.4);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.25);
  --shadow-cyan-glow: 0 0 20px rgba(6, 182, 212, 0.2);
  
  --transition-fast: 200ms ease-out;
  --header-height: 72px;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-bg-dark);
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-bg-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   TYPOGRAPHY & UTILITIES
   ========================================================================== */
.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent-cyan);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.section-title {
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text-main);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.text-center {
  text-align: center;
}

.section-header {
  margin-bottom: 40px;
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--color-primary-glow);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-surface-border);
  color: var(--color-text-main);
}

.btn-outline:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  background-color: rgba(6, 182, 212, 0.05);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.tech-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-surface-border-subtle);
  color: var(--color-text-main);
}

.pill-java { border-color: rgba(245, 158, 11, 0.35); color: #FCD34D; }
.pill-python { border-color: rgba(6, 182, 212, 0.35); color: #67E8F9; }
.pill-sql { border-color: rgba(37, 99, 235, 0.4); color: #93C5FD; }
.pill-css { border-color: rgba(236, 72, 153, 0.35); color: #F472B6; }

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-surface-border-subtle);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
}

.brand-bracket {
  color: var(--color-accent-cyan);
}

.brand-tag {
  color: var(--color-primary);
}

.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  z-index: 110;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
  position: fixed;
  top: var(--header-height);
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: calc(100vh - var(--header-height));
  background-color: var(--color-surface-dark);
  border-left: 1px solid var(--color-surface-border);
  padding: 30px 24px;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 30px rgba(0,0,0,0.5);
}

.nav-menu.is-active {
  right: 0;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.nav-link {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  display: block;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-text-main);
}

.nav-btn {
  color: #ffffff;
  background-color: var(--color-primary);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  text-align: center;
  display: inline-block;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 40px 0 60px;
  position: relative;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  color: #93C5FD;
  margin-bottom: 20px;
  font-weight: 500;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10B981;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 16px;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.hero-description strong {
  color: var(--color-text-main);
}

.hero-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.bento-hero-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.hero-img-wrapper {
  position: relative;
  overflow: hidden;
}

.hero-photo {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-bottom: 1px solid var(--color-surface-border);
}

.terminal-card {
  background: #090E17;
  padding: 16px;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.term-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.term-dot.red { background-color: #EF4444; }
.term-dot.yellow { background-color: #F59E0B; }
.term-dot.green { background-color: #10B981; }

.term-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  margin-left: 8px;
}

.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
}

.code-line {
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.code-prompt {
  color: var(--color-accent-amber);
}

.code-keyword {
  color: var(--color-accent-cyan);
}

.code-output {
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.code-cyan {
  color: var(--color-accent-cyan);
  font-weight: bold;
}

/* ==========================================================================
   BENTO GRID SECTION
   ========================================================================== */
.bento-section {
  padding: 60px 0;
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, #131d33 100%);
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.bento-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.bento-img-header {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.bento-feature-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bento-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.bento-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.3);
  color: var(--color-accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.amber-badge {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--color-accent-amber);
}

.bento-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.bento-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.bento-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-section {
  padding: 60px 0;
  border-top: 1px solid var(--color-surface-border-subtle);
}

.about-grid {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-surface-border);
  box-shadow: var(--shadow-subtle);
}

.about-photo {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.about-photo-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: #E2E8F0;
  font-weight: 500;
}

.badge-paw {
  font-size: 1rem;
}

.about-paragraph {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.about-paragraph strong {
  color: var(--color-text-main);
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-surface-border-subtle);
}

.highlight-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.highlight-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent-cyan);
  margin-bottom: 4px;
}

.highlight-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* ==========================================================================
   CONTACT & MAP SECTION
   ========================================================================== */
.contact-section {
  padding: 60px 0 80px;
  background: #0B1120;
  border-top: 1px solid var(--color-surface-border-subtle);
}

.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-form-card,
.contact-details-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.contact-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: #CBD5E1;
  margin-bottom: 6px;
}

.required {
  color: #EF4444;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  background: #0F172A;
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent-cyan);
  outline: none;
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #475569;
}

.form-error {
  display: block;
  font-size: 0.75rem;
  color: #F87171;
  margin-top: 4px;
  min-height: 16px;
}

.form-feedback {
  margin-top: 14px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid #10B981;
  color: #6EE7B7;
}

.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #EF4444;
  color: #FCA5A5;
}

/* Direct contact details */
.direct-contact-box {
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-surface-border-subtle);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.15);
  color: var(--color-accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item-value {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-text-main);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-item-value:hover {
  color: var(--color-accent-cyan);
}

/* Google Maps */
.map-container {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-surface-border);
}

.map-header-bar {
  background: #0F172A;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--color-surface-border);
}

.map-status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent-cyan);
  border-radius: 50%;
}

.map-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.map-frame-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
}

.google-map-frame {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.6) invert(0.92) contrast(1.1);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #080C14;
  border-top: 1px solid var(--color-surface-border-subtle);
  padding: 30px 0 80px; /* extra bottom padding for floating CTA on mobile */
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.footer-tech-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   MOBILE FLOATING CTA
   ========================================================================== */
.mobile-floating-cta {
  position: fixed;
  bottom: 16px;
  left: 20px;
  right: 20px;
  z-index: 90;
  display: block;
}

.floating-btn {
  width: 100%;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.6);
  padding: 14px 20px;
}

/* ==========================================================================
   RESPONSIVE ENHANCEMENTS (TABLETS & DESKTOP)
   ========================================================================== */
@media (min-width: 768px) {
  .section-title {
    font-size: 2.25rem;
  }

  .hero-title {
    font-size: 2.85rem;
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-span-2 {
    grid-column: span 2;
  }

  .about-photo {
    height: 340px;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    display: grid;
  }
}

@media (min-width: 992px) {
  .mobile-nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    width: auto;
    max-width: none;
    height: auto;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 32px;
  }

  .hero-section {
    padding: 80px 0 100px;
  }

  .hero-grid {
    flex-direction: row;
    align-items: center;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
  }

  .hero-photo {
    height: 280px;
  }

  .bento-section {
    padding: 100px 0;
  }

  .bento-feature-img {
    height: 220px;
  }

  .about-section {
    padding: 100px 0;
  }

  .about-grid {
    flex-direction: row;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
  }

  .about-photo {
    height: 380px;
  }

  .contact-section {
    padding: 100px 0;
  }

  .contact-form-card,
  .contact-details-card {
    padding: 36px;
  }

  .map-frame-wrapper {
    height: 260px;
  }

  .site-footer {
    padding: 40px 0;
  }

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }

  .mobile-floating-cta {
    display: none;
  }
}